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ella [17]
4 years ago
10

The sum of three consecutive numbers is 84. Write and solve a math expression in terms of n for the smallest of the three number

s. Include parentheses.
Mathematics
1 answer:
bagirrra123 [75]4 years ago
8 0

Answer:  Required expression :  (n-1)+n+(n+1)=84

Smallest number = 27

Step-by-step explanation:

Let the three consecutive number be n-1 , n , n+1 .

Since , the sum of three consecutive numbers is 84.

\Rightarrow\ (n-1)+n+(n+1)=84

Remove parenthesis

n-1+n+n+1=84

Simplify

3n=84

Divide both sides by 3, we get

n=28

That means the three consecutive numbers would be (28-1) , 28 , (28+1)

i.e. 27 , 28 , 29.

Hence, the smallest number is 27.

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